TY  - BOOK
AU  - Sharma, R. C. 
AU  - Grewal, J. S. Upadhayay, N. C.
TI  - Nitrogen management  in potato  
PY  - 1991///
CY  - Shimla
PB  - Central Potato Research Institute
KW  - ROOT VEGETABLESPOTATOES
N1  - Technical bulletin no-32
ER  -